Greece in may: average Weather, Temperature and Climate, Where to go?
Weather in Greece in may 2025
Below, check out the weather forecast for may for most popular cities in Greece. These forecasts are statistics for the month of may from weather reports for over 10 years. The percentage indicates the probability of having the weather indicated.
Average weather in may in Athens
perfect weather UV index: 6
Weather at 6am
21°C
Clear/Sunny
70% of time
21%
7%
2%
Weather at 12pm
25°C
Clear/Sunny
64% of time
19%
11%
4%
Weather at 6pm
21°C
Clear/Sunny
68% of time
18%
8%
4%
Weather at 3am
18°C
68%
21%
8%
2%
Where to go in Greece in may?
Where to go in Greece in may: destination map
Where to go in each region in may?
| Attica Peninsula (Athens, Hydra Island, Lavrio...) | 24°C to 25°C | 2 à 3 days | 19°C | perfect weather |
| Central Greece (Delphi, Gregolimano, Agrinio...) | 21°C to 25°C | 2 à 7 days | 19°C to 20°C | perfect weather* |
| Crete (Heraklion, Chania, Matala...) | 21°C to 24°C | 0 à 2 days | 19°C to 20°C | perfect weather |
| Cyclades (Santorini, Mykonos, Paros...) | 21°C to 24°C | 1 à 2 days | 19°C to 20°C | perfect weather |
| Dodecanese (Kos, Rhodes, Karpathos...) | 21°C to 23°C | 2 à 3 days | 19°C to 20°C | perfect weather |
| East Aegean Islands (Samos, Chios, Lesbos...) | 21°C to 23°C | 2 à 4 days | 19°C to 20°C | perfect weather |
| Ioanian Islands (Corfu Island, Zante, Lefkáda...) | 21°C to 22°C | 1 à 5 days | 19°C to 20°C | perfect weather* |
| North of Greece (Thessaloniki, Parga, Kavala...) | 21°C to 26°C | 3 à 12 days | 18°C to 20°C | good weather* |
| Northern Aegean (Lemnos, Samothrace, Thasos...) | 20°C to 21°C | 3 à 4 days | 18°C | perfect weather* |
| Peloponnese (Kalamata, Nafplio, Patras...) | 22°C to 26°C | 1 à 7 days | 19°C to 20°C | perfect weather* |
| Sporades Islands (Skiathos, Alonissos, Skyros island...) | 20°C to 21°C | 3 à 4 days | 18°C to 19°C | perfect weather* |
Where should you go in Greece in may when it comes to the weather?
Remember:
The climate in Greece in may ranges from perfect to good depending on the region and city.
In May, some regions of Greece are favored by an ideal climate while others experience episodes of cooler and wetter weather. Ending the winter season, the weather is getting closer to the summer and if it comes quickly on the Greek islands near the Mediterranean Sea, the weather is still quite cool on the Sporades. Either way, in this period the climate throughout May in Greece is favorable for a dream holiday.
May in Continental Greece in May
In Athens, all conditions are met to offer tourists an idyllic weather throughout May in Greece. Thanks to a morning temperature of around 18° C, the mornings are decorated with a comfortable warmth. Around noon, the temperature rises while remaining in a zone of comfort while the beginnings of evening are pleasant. All this is accompanied by a perfect sunshine for the whole day. Thessaloniki, although located on the mainland, does not have a favorable climate - but the mornings are still cool while the heat is accentuated in the middle of the day. Moreover, the eleven days with inclement weather force visitors to be wary of the weather.
May on the Ionian Islands
As in Thessaloniki, the island of Corfu knows fairly cool mornings and more comfortable days. The climate throughout May in Greece in this region would be ideal if the humidity was less present. Indeed, the month still knows ten days of precipitation. However, weather is often favorable thanks to the beautiful sunny days that leave the tourists the opportunity to appreciate the beauty of nature. Proper clothing and good preparation are essential to not be surprised by the bad weather that may disappoint anyone - even if the rains are minor.
May in the Cyclades
Like Mykono, the island of Lesbos and the Ionian Islands, the Cyclades are also penalized by a more marked humidity. However, apart from days with precipitation, temperatures are favorable from morning to evening. The mornings and the early evenings are very pleasant as well as is the warmth midday.
May in the Dodecanese
Athens, the island of Hydra, the island of Rhodes and those of the Dodecanese are all enjoying an ideal climate for all kinds of tourist activities. The weather is beautiful and just warm enough to allow tourists to have comfort in all situations.
Climate in Greece in may
Climate in Athens in may
In the month of may, the mean temperature in Athens is 23°C (maximum temperature is 25°C and minimum temperature is 21°C). The climate quite pleasant in that locality in may. With barely 45mm over 2 days, the rain will not be a problem throughout your holidays.
With ideal weather conditions, may is an advisable time to go in this locality.
| May | |||
| Average temperature | 23°C | ||
| Highest temperature | 25°C | ||
| Lowest temperature | 21°C | ||
| Sea temperature | 18.4°C | ||
| Rainfall | 45mm | ||
| Number of days with rainfall | 2 day(s) (8%) | ||
| Humidity | 60% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 18% | ||
| Length of day | 14:14 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Corfu Island in may
In may, the mean temperature in Corfu Island is 20°C (maximum temperature is 21°C and minimum temperature is 19°C). The climate enjoyable around this city in may. With 80mm over 4 days, rain may occur during your journey. But this is reasonably and you will not be too bothered by it.
With a good climate, the month of may is a good month to go in this city in Greece.
| May | |||
| Average temperature | 20°C | ||
| Highest temperature | 21°C | ||
| Lowest temperature | 19°C | ||
| Sea temperature | 19°C | ||
| Rainfall | 80mm | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 72% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 20% | ||
| Length of day | 14:22 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Crete in may
In the month of may, the mean temperature in Crete is 21°C (maximum temperature is 22°C and minimum temperature is 20°C). The climate is quite enjoyable in that area in may. With barely 14mm over 1 days, the rain will not be a problem throughout your vacations.
With ideal weather conditions, may is an advisable month to go in this locality.
| May | |||
| Average temperature | 21°C | ||
| Highest temperature | 22°C | ||
| Lowest temperature | 20°C | ||
| Rainfall | 14mm | ||
| Number of days with rainfall | 1 day(s) (2%) | ||
| Humidity | 70% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 11% | ||
| Length of day | 14:01 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Kos in may
In the month of may, maximum temperature is 22°C and minimum temperature is 20°C (for an average temperature of 21°C). The climate quite nice in that area in this month. With 31mm over 2 days, rain may occur during your holidays. But this is rather reasonably and it is only of temporary showers.
With a good climate, may is a recommended month to go in Kos in Greece.
| May | |||
| Average temperature | 21°C | ||
| Highest temperature | 22°C | ||
| Lowest temperature | 20°C | ||
| Sea temperature | 19.6°C | ||
| Rainfall | 31mm | ||
| Number of days with rainfall | 2 day(s) (6%) | ||
| Humidity | 71% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 14% | ||
| Length of day | 14:09 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Greek islands of the Cyclades in may
In the month of may, the mean temperature in Greek islands of the Cyclades is 20°C (maximum temperature is 21°C and minimum temperature is 19°C). The climate quite enjoyable in that locality in the month of may. With 33mm over 2 days, the rain will not be a problem for your trip.
With a good weather, may is a recommended month to go in this city in Greece.
| May | |||
| Average temperature | 20°C | ||
| Highest temperature | 21°C | ||
| Lowest temperature | 19°C | ||
| Sea temperature | 18.7°C | ||
| Rainfall | 33mm | ||
| Number of days with rainfall | 2 day(s) (7%) | ||
| Humidity | 77% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 14% | ||
| Length of day | 14:11 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in Greece in may
| Athens in may | perfect weather |
| Corfu Island in may | perfect weather |
| Crete in may | perfect weather |
| Kos in may | perfect weather |
| Greek islands of the Cyclades in may | perfect weather |
| Mykonos in may | perfect weather |
| Paros in may | perfect weather |
| Rhodes in may | perfect weather |
| Samos in may | perfect weather |
| Santorini in may | perfect weather |
| Skiathos in may | perfect weather |
| Thessaloniki in may | good weather |
| Zante in may | perfect weather |
| Agrinio in may | perfect weather |
| Alonissos in may | perfect weather |
| Antiparos in may | perfect weather |
| Chios in may | perfect weather |
| Delphi in may | perfect weather |
| Gregolimano in may | good weather |
| Hydra Island in may | perfect weather |
| Kalamata in may | perfect weather |
Weather data for Greece in may:
Weather data for Greece in may is derived from an average of the weather forecast since 2009 in Greece. There is a margin of error and these forecasts are to be considered as general information only. The weather in Greece can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Greece.